Parents Marv, a fitness director, and Karen, a sporting-goods store manager, named her after a character in Jacqueline Susann’s Once Is Not Enough. She recently read the 1973 novel, in which her namesake experiences a drug trip, a beach orgy and an alien abduction. “It was horrible!” says Jones.

On that, we are agreed.

Hard as it may be to imagine Betty Draper as a mom, Jones does have a toddler — 16 months, named Xander — and I went looking for a photo of her that looks vaguely maternal and maybe not so Mad Men-ish. I think I succeeded: